WO2006070476A1 - 画像内の処理対象の位置を特定する画像処理装置 - Google Patents
画像内の処理対象の位置を特定する画像処理装置 Download PDFInfo
- Publication number
- WO2006070476A1 WO2006070476A1 PCT/JP2004/019648 JP2004019648W WO2006070476A1 WO 2006070476 A1 WO2006070476 A1 WO 2006070476A1 JP 2004019648 W JP2004019648 W JP 2004019648W WO 2006070476 A1 WO2006070476 A1 WO 2006070476A1
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- image
- image data
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- partial image
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Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/1444—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields
- G06V30/1448—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields based on markings or identifiers characterising the document or the area
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30144—Printing quality
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
Definitions
- Image processing apparatus for specifying position of processing target in image
- the present invention relates to an image processing apparatus for specifying a processing target position included in image data from image data input by an image input apparatus such as a scanner or a digital camera.
- an image input apparatus such as a scanner or a digital camera.
- FIG. 21 shows an example of input and recognition in conventional character recognition processing.
- image processing has been performed according to the following procedure.
- the entire original is read by an image input device such as a flatbed scanner having a reading area larger than the original size, and a read image 11 is generated.
- an image input device such as a flatbed scanner having a reading area larger than the original size
- the prepared document layout information 12 is designated as the character recognition template and the character recognition process 13 is performed.
- a template for specifying layout information and a processing method according to the size of the image input device is created, and the user selects a template to be used for each area. For example, in the example shown in FIG. 22, layout information 16 and 17 are selected for two read images 14 and 15, respectively, and a character recognition process 18 is performed.
- Patent Document 3 relates to a print information processing system that generates a print image by combining image data and a code
- Patent Document 4 relates to a method for detecting a scene change of a moving image.
- Patent Document 1 Japanese Patent Application Publication JP 2000-278514 A
- Patent Document 2 Japanese Patent Application Publication No. 2003-271942
- Patent Document 3 Japanese Patent Application Publication JP 2000-348127 A
- Patent Document 4 Japanese Patent Application Publication No. 06-133305
- An object of the present invention is to automatically specify the position of a processing target included in image data input by an image input device that cannot read the entire document at once.
- the image processing apparatus of the present invention includes a storage unit, a recognition unit, and an extraction unit.
- the storage unit stores image data of partial images of a document including a plurality of processing targets and a plurality of codes.
- Recognition The knowledge unit recognizes a code included in the partial image among the codes, and acquires relative position information indicating a relative position of the processing target area with respect to the code.
- the extraction unit specifies the position of the processing target region in the partial image using the relative position information, and extracts the processing target image data from the specified processing target region.
- a plurality of codes necessary for obtaining the relative position information are arranged in advance. For example, when an original is divided and read by the image input device, an image of a part of the original is stored as a partial image in the storage unit.
- the recognition unit performs recognition processing of the code included in the partial image, and acquires relative position information based on the recognition result.
- the extraction unit specifies the position of the processing target area corresponding to the code using the obtained relative position information, and extracts the processing target image data.
- an image processing device it is possible to automatically extract image data to be processed from image data of a partial image input by an image input device such as a hand held image scanner or a digital camera. it can.
- the storage unit corresponds to, for example, a RAM (random access memory) 1902 in FIG. 19 described later, and the recognition unit and the extraction unit correspond to, for example, a CPU (Central Processing Unit) 1904 in FIG.
- a RAM random access memory
- CPU Central Processing Unit
- FIG. 1 is a diagram showing an image read in a divided manner.
- FIG. 2 is a diagram showing a two-dimensional code and item areas.
- FIG. 3 is a diagram showing area information.
- FIG. 4 is a flowchart of first image data extraction processing.
- FIG. 5 is a diagram showing a first image reconstruction process.
- FIG. 6 is a diagram showing document attribute information.
- FIG. 7 is a flowchart of a first image reconstruction process.
- FIG. 8 is a diagram showing processing information.
- FIG. 9 is a flowchart of automatic image processing.
- FIG. 10 is a diagram showing a second image reconstruction process.
- FIG. 11 is a flowchart of second image reconstruction processing.
- FIG. 12 is a diagram showing superimposed printing of a two-dimensional code and characters.
- FIG. 13 is a diagram showing server storage numbers.
- FIG. 14 is a flowchart of second image data extraction processing.
- FIG. 15 is a configuration diagram of an image processing apparatus that inputs a moving image and performs code recognition.
- FIG. 16 is a diagram showing a moving image input method.
- FIG. 17 is a diagram illustrating a change in code amount in a moving image.
- FIG. 18 is a flowchart of processing for inputting a moving image and performing code recognition.
- FIG. 19 is a block diagram of an image processing apparatus.
- FIG. 20 is a diagram showing a program and data providing method.
- FIG. 21 is a diagram showing a first conventional character recognition process.
- FIG. 22 is a diagram showing a second conventional character recognition process.
- FIG. 23 is a diagram showing a conventional recognition target specifying method.
- a code and an item in which one or more items of layout information are recorded are arranged in the original. Then, the image processing apparatus first recognizes the layout information recorded in the code from the image data input by the image input apparatus, and then extracts the image data of the item that is the information power processing target. .
- FIG. 1 shows an example of an image read from a document in such code image processing.
- two-dimensional codes 111-1-111 4, 112-1, 112-2, 113-1, and 113-4 are arranged to correspond to each item in the document, and the document has three images 101— 10 Divided into 3 and read.
- each two-dimensional code information on the relative position of the item area with respect to the two-dimensional code and information on the absolute position of the item area in the document are recorded.
- information on the relative position and the absolute position of the item area 201 is recorded as shown in FIG.
- the relative position is in a relative coordinate system with the origin at position 202 of the two-dimensional code 111-1. It is represented by the coordinate value of the item area 201.
- the absolute position is represented by the coordinate value of the item area 201 in the absolute coordinate system with the reference point 203 in the original as determined as the origin.
- FIG. 3 shows an example of area information recorded in the two-dimensional code 111-1. (20, ⁇ 10) and (1000, 40) are the relative position information of the item area 201, and (40, 100) is the absolute position information of the item area 201. In this example, one 2D code is provided for each item. When one 2D code is provided for multiple items, area information is recorded for each item.
- the image processing apparatus recognizes the two-dimensional code, extracts the area information, specifies the item area using the relative position information, and cuts out image data of the area. Furthermore, using the absolute position information, the layout information of the target item is extracted from the layout information for character recognition of the entire document, and the layout information of the target item is applied to the image data in the item area, so that only the target item is recognized. Process.
- FIG. 4 is a flowchart of such image data extraction processing.
- the image processing apparatus reads an image from a document (step 401), and recognizes a two-dimensional code included in the read image (step 402). Then, based on the region information included in the recognition result, the image data of the corresponding item region is extracted (step 403).
- FIG. 5 shows such an image reconstruction process.
- a document image 501 is generated from the three scanned images 101-103 shown in FIG.
- the two-dimensional code 111-1—111-4, 112—1, 112—2, 113—1, and 113—2 [Fig. 6]
- document attribute information such as document identification information is recorded.
- the image processing apparatus after reading the partial document in a plurality of times, recognizes each two-dimensional code and cuts out based on the region information of the two-dimensional code having the same document attribute information.
- the original image 501 is reconstructed using the obtained image data.
- the 2D code image data may be reconstructed including the 2D code image data.
- the 2D code image data may be deleted and reconstructed.
- FIG. 7 is a flowchart of such an image reconstruction process.
- the image processing apparatus first reads an image with document strength (step 701) and recognizes a two-dimensional code included in the read image (step 702). At this time, it is checked whether or not the read image includes a two-dimensional code (step 703) . If the two-dimensional code is included, the item area is checked in the same manner as in step 4003 in FIG. Image data is extracted (step 705). Then, the processing after step 701 is repeated.
- step 703 If the image does not contain a two-dimensional code in step 703, the original image is reconstructed using the image data extracted so far that corresponds to the same original attribute information (step 704). ).
- the processing information is recorded in the two-dimensional code, and the image processing apparatus automatically executes the processing specified by the processing information on the image data extracted from each read image.
- an action representing a process applied to the item area is recorded.
- the image processing apparatus performs character recognition processing of the image data of the corresponding item area based on the information, and the processing result data is stored in the server. save.
- As an action it is also possible to record a process for saving image data as it is in a file.
- FIG. 9 is a flowchart of such automatic image processing.
- the processing in steps 901 to 903 in FIG. 9 is the same as the processing in steps 401 to 403 in FIG.
- the image processing apparatus automatically executes the designated processing based on the processing information recorded in the corresponding two-dimensional code (step 904).
- FIG. 10 shows an example of such a two-dimensional code arrangement.
- the image processing apparatus uses the relative position information recorded in the two-dimensional codes 1012-i and 1012-i V, and Image data corresponding to one item is cut out from two scanned images 1002 and 1003, respectively. Then, using the absolute position information recorded in the two-dimensional codes 1012-i and 1012-i, the entire image 1004 is reconstructed.
- image data corresponding to the item can be reconstructed and extracted.
- FIG. 11 is a flowchart of such an image reconstruction process.
- the processing in steps 1101 to 1103 and 1105 in FIG. 11 is the same as the processing in steps 701 to 703 and 705 in FIG.
- step 1103 If the image does not contain a two-dimensional code in step 1103, the image processing apparatus next checks whether image data of the item area has been extracted (step 1104). ) o If there is extracted image data, select one of the image data (step 1 106), and check whether the image data corresponds to the divided part of one item area (step 1107). ).
- step 1108 If the image data corresponds to a divided portion, the image data of the entire item area is reconstructed using the image data of another divided portion corresponding to the same item area (step 1108). Then, the processing after step 1104 is repeated for the next image data. If the image data corresponds to the whole of one item area in step 1107, the processing from step 1104 is repeated as it is.
- the 2D code is printed in a color different from the print color of the item, overlapping the item. For example, if the content of an item is printed in black, the 2D code is printed in a color other than black.
- the use area of the manuscript is not limited due to the addition of the two-dimensional code.
- FIG. 12 shows an example of such a document layout.
- the image processing apparatus separates and recognizes only the two-dimensional code from the read image of the original, and cuts out the image data of the item area.
- the method described in Patent Document 3 described above is used for two-dimensional code and character superimposition printing and recognition using different colors.
- a two-dimensional code requires a certain printing area depending on the amount of information to be recorded. Therefore, in order to make the area of the two-dimensional code as small as possible, the area information, document attribute information, and processing information described above are recorded in the server, and the information in the server is stored in the two-dimensional code as shown in FIG. Record only the identification information such as the storage number to be identified.
- the image processing apparatus refers to the server using the identification information recorded in the two-dimensional code, and acquires information on the corresponding item. Then, using the acquired information as the recognition result of the two-dimensional code, the image data of the item area is cut out and necessary processing such as character recognition is performed.
- FIG. 14 is a flowchart of such image data extraction processing.
- the processing in steps 1 401, 1402, and 1404 in FIG. 14 is the same as the processing in steps 401-403 in FIG.
- the image processing apparatus refers to the data management server using the identification information of the recognition result and acquires the corresponding stored information (step 1403). Then, the recognition result is replaced with the acquired information, and the image data of the item area is extracted.
- FIG. 15 is a configuration diagram of such an image processing apparatus.
- the image processing apparatus in FIG. 15 includes a moving image input device 1501, a motion detection unit 1502, and a code recognition unit 1503.
- the moving image input device 1501 is, for example, a moving image input camera 1601 as shown in FIG. 16, and inputs a moving image of a document 1602 moving below the moving image input camera 1601.
- the motion detection unit 1502 performs scene detection processing to detect the motion of the recognition target included in the moving image.
- scene detection process for example, the method described in Patent Document 4 described above is used, and a moving image is encoded and the change amount of the code amount is detected.
- the code recognition unit 1503 performs a two-dimensional code recognition process and cuts out the corresponding item region image data 1504.
- the code recognition unit 1503 waits until the document is stabilized, and starts the recognition process at time T3.
- the present invention can be applied to an image input by a moving image input camera.
- FIG. 18 is a flowchart of such code recognition processing.
- the image processing apparatus first inputs a moving image of a document (step 1801), performs a scene detection process (step 1802), and checks whether or not the recognition target is stationary (step 1803). If the recognition target is not stationary, the processing from step 1801 is repeated, and if the recognition target is stationary, recognition processing of the two-dimensional code included in the image is performed (step 1804).
- FIG. 19 is a configuration diagram when the above-described image processing apparatus is configured using an information processing apparatus (computer).
- 19 includes a communication device 1901, RAM (random access memory) 1902, ROM, read only memory; 1903, CPU (Central Processing Unit) 1904, medium drive device 1905, external storage device 1906, image input device 1907, A display device 1908 and an input device 1909 are provided and are connected to each other by a bus 1910.
- RAM random access memory
- ROM read only memory
- CPU Central Processing Unit
- the RAM 1902 stores input image data
- the ROM 1903 stores programs used for processing.
- the CPU 1904 performs necessary processing by executing a program using the RAM 1902.
- the motion detection unit 1502 and the code recognition unit 1503 in FIG. 15 correspond to programs stored in the RAM 1902 or the ROM 1903.
- the input device 1909 is, for example, a keyboard, a pointing device, a touch panel, and the like, and is used for inputting instructions and information from the user.
- the image input device 1907 is, for example, a hand-held image scanner, a digital camera, a moving image input camera, or the like, and is used for inputting a document image.
- the display device 1908 is used to output inquiries to the user, processing results, and the like.
- the external storage device 1906 is, for example, a magnetic disk device, an optical disk device, a magneto-optical disk device, a tape device, or the like.
- the image processing apparatus stores programs and data in the external storage device 1906, and loads them into the RAM 1902 as necessary. use.
- the medium driving device 1905 drives the portable recording medium 1911 and accesses the recorded contents.
- the portable recording medium 1911 is an arbitrary computer-readable recording medium such as a memory card, a flexible disk, an optical disk, and a magneto-optical disk.
- the user stores programs and data in the portable recording medium 1911 and loads them into the RAM 1902 and uses them as necessary.
- the communication device 1901 is connected to an arbitrary communication network such as a LAN (Local Area Network) and performs data conversion accompanying communication.
- the image processing apparatus receives programs and data from an external apparatus via the communication apparatus 1901 as necessary, and loads them into the RAM 1902 for use.
- the communication device 1901 is also used when accessing the data management server in Step 1403 of FIG.
- FIG. 20 shows a method for providing a program and data to the image processing apparatus of FIG.
- the programs and data stored in the portable recording medium 1911 and the database 2011 of the server 2001 are loaded into the RAM 1902 of the image processing apparatus 2002.
- the server 2001 generates a carrier signal for carrying the program and data, and transmits it to the image processing apparatus 2002 via an arbitrary transmission medium on the network.
- the CPU 1904 executes the program using the data and performs necessary processing.
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- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Character Input (AREA)
- Image Processing (AREA)
- Editing Of Facsimile Originals (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/019648 WO2006070476A1 (ja) | 2004-12-28 | 2004-12-28 | 画像内の処理対象の位置を特定する画像処理装置 |
| JP2006550542A JP4398474B2 (ja) | 2004-12-28 | 2004-12-28 | 画像内の処理対象の位置を特定する画像処理装置 |
| EP04808003A EP1833022A4 (en) | 2004-12-28 | 2004-12-28 | Image processing device for detecting the position of a processing object in a picture |
| US11/769,922 US20070242882A1 (en) | 2004-12-28 | 2007-06-28 | Image processing apparatus for identifying the position of a process target within an image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/019648 WO2006070476A1 (ja) | 2004-12-28 | 2004-12-28 | 画像内の処理対象の位置を特定する画像処理装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/769,922 Continuation US20070242882A1 (en) | 2004-12-28 | 2007-06-28 | Image processing apparatus for identifying the position of a process target within an image |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006070476A1 true WO2006070476A1 (ja) | 2006-07-06 |
Family
ID=36614603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/019648 Ceased WO2006070476A1 (ja) | 2004-12-28 | 2004-12-28 | 画像内の処理対象の位置を特定する画像処理装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070242882A1 (ja) |
| EP (1) | EP1833022A4 (ja) |
| JP (1) | JP4398474B2 (ja) |
| WO (1) | WO2006070476A1 (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008193580A (ja) * | 2007-02-07 | 2008-08-21 | Ricoh Co Ltd | 情報処理装置 |
| JP2010518473A (ja) * | 2007-02-02 | 2010-05-27 | フラクチャー コード コーポレーション エーピーエス | 仮想コード窓 |
| JP2010160636A (ja) * | 2009-01-07 | 2010-07-22 | Koncheruto:Kk | 不動産登記関係書類の作成支援装置 |
| WO2011129113A1 (ja) * | 2010-04-15 | 2011-10-20 | パナソニック株式会社 | 帳票処理装置及び帳票処理方法及び記録媒体 |
| JP2015049833A (ja) * | 2013-09-04 | 2015-03-16 | トッパン・フォームズ株式会社 | 帳票情報入力システム |
| JPWO2014192612A1 (ja) * | 2013-05-31 | 2017-02-23 | 日本電気株式会社 | 画像認識装置、その処理方法、およびプログラム |
| JP2023046978A (ja) * | 2021-09-24 | 2023-04-05 | 富士フイルムビジネスイノベーション株式会社 | 照合装置及びプログラム |
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| US7574063B2 (en) * | 2003-07-23 | 2009-08-11 | Canon Kabushiki Kaisha | Image coding method and apparatus |
| FR2946773A1 (fr) * | 2009-06-12 | 2010-12-17 | Bertrand Labaye | Procede et dispositif de reconnaissance d'informations au moyen d'une balise graphique. |
| GB2473228A (en) * | 2009-09-03 | 2011-03-09 | Drs Data Services Ltd | Segmenting Document Images |
| JP5479083B2 (ja) * | 2009-12-25 | 2014-04-23 | キヤノン株式会社 | 画像処理装置及びその制御方法並びにプログラム |
| EP2362327A1 (en) | 2010-02-19 | 2011-08-31 | Research In Motion Limited | Method, device and system for image capture, processing and storage |
| FR2993082B1 (fr) * | 2012-07-05 | 2014-06-27 | Holdham | Surface imprimee et dispositif et procede de traitement d'images d'une telle surface imprimee |
| US9298997B1 (en) * | 2014-03-19 | 2016-03-29 | Amazon Technologies, Inc. | Signature-guided character recognition |
| FR3028644B1 (fr) * | 2014-11-13 | 2018-02-02 | Advanced Track & Trace | Formulaires, dispositifs mettant en œuvre ce formulaire et procedes mettant en œuvre ce formulaire |
| US10395081B2 (en) * | 2016-12-09 | 2019-08-27 | Hand Held Products, Inc. | Encoding document capture bounds with barcodes |
| JP6954229B2 (ja) * | 2018-05-25 | 2021-10-27 | 京セラドキュメントソリューションズ株式会社 | 画像処理装置及び画像形成装置 |
| WO2020075483A1 (ja) | 2018-10-09 | 2020-04-16 | インターマン株式会社 | 携帯型カレンダーおよびノート |
| US20220024241A1 (en) * | 2018-10-09 | 2022-01-27 | Interman Corporation | Portable type calendar and notebook |
| CN113947772A (zh) * | 2021-10-18 | 2022-01-18 | 北京三快在线科技有限公司 | 对图像进行信息识别的方法、装置 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010518473A (ja) * | 2007-02-02 | 2010-05-27 | フラクチャー コード コーポレーション エーピーエス | 仮想コード窓 |
| JP2008193580A (ja) * | 2007-02-07 | 2008-08-21 | Ricoh Co Ltd | 情報処理装置 |
| JP2010160636A (ja) * | 2009-01-07 | 2010-07-22 | Koncheruto:Kk | 不動産登記関係書類の作成支援装置 |
| WO2011129113A1 (ja) * | 2010-04-15 | 2011-10-20 | パナソニック株式会社 | 帳票処理装置及び帳票処理方法及び記録媒体 |
| JP2011227543A (ja) * | 2010-04-15 | 2011-11-10 | Panasonic Corp | 帳票処理装置及び帳票処理方法及び記録媒体 |
| JPWO2014192612A1 (ja) * | 2013-05-31 | 2017-02-23 | 日本電気株式会社 | 画像認識装置、その処理方法、およびプログラム |
| US10650264B2 (en) | 2013-05-31 | 2020-05-12 | Nec Corporation | Image recognition apparatus, processing method thereof, and program |
| JP2015049833A (ja) * | 2013-09-04 | 2015-03-16 | トッパン・フォームズ株式会社 | 帳票情報入力システム |
| JP2023046978A (ja) * | 2021-09-24 | 2023-04-05 | 富士フイルムビジネスイノベーション株式会社 | 照合装置及びプログラム |
| US12424003B2 (en) | 2021-09-24 | 2025-09-23 | Fujifilm Business Innovation Corp. | Collation device, non-transitory computer readable medium storing program, and collation method |
| JP7767798B2 (ja) | 2021-09-24 | 2025-11-12 | 富士フイルムビジネスイノベーション株式会社 | 照合装置及びプログラム |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4398474B2 (ja) | 2010-01-13 |
| EP1833022A1 (en) | 2007-09-12 |
| US20070242882A1 (en) | 2007-10-18 |
| JPWO2006070476A1 (ja) | 2008-06-12 |
| EP1833022A4 (en) | 2010-07-14 |
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